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New AC Delco Transmission Control Module for Allison 6 sp transmission.

Please add Programming to your cart if

you would like it delivered "Plug and Play".

Note:  Allison Trans "Quick Learn" is recommended and needs

to be performed in vehcile with a professional scan tool.

24256861 GM TCM

SKU: 24256861
$695.00 Regular Price
$651.89Sale Price
  • 24 Month / Unlimited Mile Limited Warranty on parts only. Please see for more details.


    Warranty Conditions

    This warranty does not cover:

    • Normal wear and tear.

    • Labor for removal, replacement, and programming of the unit from the vehicle. 

    • Parts which have been subjected to deliberate abuse.

    • Conditions resulting from abnormal wear, negligence, alterations or accidents.

    • Incorrect fitment.

    • Parts used in an incorrect application or parts that are not used for their intended purpose.

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